http://www.holybooks.com/bhagavad-gita-three-modern-translations/

Bhagavad Gita. Three English versions of theBhagavad Gita, the greatest devotional book of Hinduism. It has long been recognized as one of the world’s most important spiritual classics and a Hindu guide to all on the path of Truth. The Bhagavad Gita is sometimes known as the Song of the Lord or the Gospel of the Lord Shri Krishna. According to Western scholarship, it was composed later than the Vedas and the Upanishads – probably between the fifth and second centuries before Christ. It is a fragment, part of the sixth book of the epic poem The Mahabaratha